Aqua Sees 18W (IMAGE) NASA/Goddard Space Flight Center Caption NASA's Aqua satellite caught the birth of the eighteenth tropical depression of the northwestern Pacific Ocean tropical cyclone season on Sept. 18 at 0616 UTC/2:16 a.m. EDT. Credit Image Credit: NRL/NASA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.